Restrict python version

Author: jan-janssen

.github/workflows/pipeline.yml

@@ -166,18 +166,12 @@ jobs:
       matrix:
         include:
         - operating-system: macos-latest
-          python-version: '3.14'
+          python-version: '3.12'
 
         - operating-system: ubuntu-latest
-          python-version: '3.14'
+          python-version: '3.12'
 
         - operating-system: windows-latest
-          python-version: '3.14'
-
-        - operating-system: ubuntu-latest
-          python-version: '3.13'
-
-        - operating-system: ubuntu-latest
           python-version: '3.12'
 
         - operating-system: ubuntu-latest